* {
  margin: 0;
  padding: 0;
}

body {
  font-size: 13px;
  color: #333;
}

ul,
ol {
  list-style-type: none;
}

a {
  text-decoration: none;
  font-size: 13px;
  color: #666;
}

.clearfix::after {
  content: '';
  display: block;
  clear: both;
  height: 0;
  visibility: hidden;
}